Home / 7,199,692.75-9,935,576.87-3,936,509.74

Finding the Fourth Proportional to 7,199,692.75, 9,935,576.87 and 3,936,509.74

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Solution

The fourth proportional to 7,199,692.75, 9,935,576.87 and 3,936,509.74 is: 5,432,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,692.75 : 9,935,576.87 = 3,936,509.74 : x
  2. Step 2: Convert to fraction form
    7,199,692.75/9,935,576.87 = 3,936,509.74/x
  3. Step 3: Cross multiply
    7,199,692.75x = 9,935,576.87 × 3,936,509.74
  4. Step 4: Simplify right side
    7,199,692.75x = 39,111,495,121,273.71
  5. Step 5: Solve for x
    x = 39,111,495,121,273.71/7,199,692.75
  6. Step 6: Final answer
    x = 5,432,383.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.